# SDR AALA202603279631

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N440AN](https://openairdocs.org/aircraft/N440AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10643
- Aircraft time: 17,349 hours, 4,730 cycles
- System (JASC): [3297 · Landing Gear System Wiring](https://openairdocs.org/jasc/3297)
- Part: Wire
- Condition: Chafed
- Location: Zone 700
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202603279631

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED ON APPROACH INTO PHL DUE TO THE FLT CREW REPORTING THAT AFTER LOWER THE LANDING GEARS AN ECAM MESSAGE FOR BRAKES ALTERNATE RIGHT RELEASED. THE FLT CREW ACCOMPLISHED A GO AROUND TO ASSESS THE ISSUE. FLT CREW CYCLED  MLG AND UPON LOWERING THE MLG AGAIN THE FAULT MESSAGE WENT AWAY.  AIRT LANDED SAFELY AT PHL NORMALY WITHOUT FURTHER INCIDENT. MAINT FOUND WIRE 3243-4517R CHAFED WHICH WAS CAUSING A SHORT TO GROUND. MAINT FOUND NO DAMAGE TO CONDUCTOR & REPAIRED THE WIRE INSULATION PER ESPM 20-53-21. (AALA202603279631) MAINT REPLACED PLUG 98GG-A IAW ESPM 20-44-16, (AALA202603278630) A SATISFACTORY OPS CHECK OF THE ALTERNATE BRAKE SYS PER AMM 32-43-00-501 WITH NO FAULTS NOTED.

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